Refrigerator



FIG. 1 is a perspective view of a refrigerator showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view of the ornamental design of the present invention; and

FIG. 7 is a bottom view of the ornamental design of the present invention. 

The ornamental design for refrigerator, as shown and described. 